Digital controlling for GMA welding machine based on DSP

This paper introduced a welding machine for GMAW using digital controlling method based on DSP (Digital Signal Process). By means of flexible programming according to welding technologies and experiences the suitable characteristics of welding machine, such as line compensation, welding voltage and...

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Veröffentlicht in:China welding 2003-11, Vol.12 (2), p.158-161
Hauptverfasser: Hua, X, Wu, Y., Zhang, Y, Jiao, F, Yu, Q.
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container_title China welding
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creator Hua, X
Wu, Y.
Zhang, Y
Jiao, F
Yu, Q.
description This paper introduced a welding machine for GMAW using digital controlling method based on DSP (Digital Signal Process). By means of flexible programming according to welding technologies and experiences the suitable characteristics of welding machine, such as line compensation, welding voltage and current feedback, wire feed driving, SCR trigging and so on, can be controlled and self-adjusted using digital signals. Through the designing based on DSP it is put out that the traditional hardware of control circuit is decreased greatly which can enhance the stability and reliability of welding machine. Finally, the welding experiment using CO2 shielding gas proves that the welding process is stable.
doi_str_mv 10.3969/j.issn.1004-5341.2003.02.016
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